121469882013 has 10 divisors (see below), whose sum is σ = 181455009054. Its totient is φ = 80979921288.

The previous prime is 121469881987. The next prime is 121469882033. The reversal of 121469882013 is 310288964121.

It can be written as a sum of positive squares in only one way, i.e., 115999504569 + 5470377444 = 340587^2 + 73962^2 .

It is not a de Polignac number, because 121469882013 - 2¹³ = 121469873821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121469882013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121469882033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 749814006 + ... + 749814167.

Almost surely, 2^121469882013 is an apocalyptic number.

It is an amenable number.

121469882013 is a deficient number, since it is larger than the sum of its proper divisors (59985127041).

121469882013 is an equidigital number, since it uses as much as digits as its factorization.

121469882013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499628185 (or 1499628176 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 121469882013 in words is "one hundred twenty-one billion, four hundred sixty-nine million, eight hundred eighty-two thousand, thirteen".